| Index: webkit/plugins/ppapi/ppb_buffer_impl.cc
|
| ===================================================================
|
| --- webkit/plugins/ppapi/ppb_buffer_impl.cc (revision 213561)
|
| +++ webkit/plugins/ppapi/ppb_buffer_impl.cc (working copy)
|
| @@ -1,113 +0,0 @@
|
| -// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "webkit/plugins/ppapi/ppb_buffer_impl.h"
|
| -
|
| -#include <algorithm>
|
| -
|
| -#include "base/logging.h"
|
| -#include "base/memory/scoped_ptr.h"
|
| -#include "ppapi/c/dev/ppb_buffer_dev.h"
|
| -#include "ppapi/c/pp_instance.h"
|
| -#include "ppapi/c/pp_resource.h"
|
| -#include "webkit/plugins/ppapi/common.h"
|
| -#include "webkit/plugins/ppapi/plugin_delegate.h"
|
| -#include "webkit/plugins/ppapi/resource_helper.h"
|
| -
|
| -using ::ppapi::thunk::PPB_Buffer_API;
|
| -
|
| -namespace webkit {
|
| -namespace ppapi {
|
| -
|
| -PPB_Buffer_Impl::PPB_Buffer_Impl(PP_Instance instance)
|
| - : Resource(::ppapi::OBJECT_IS_IMPL, instance),
|
| - size_(0),
|
| - map_count_(0) {
|
| -}
|
| -
|
| -PPB_Buffer_Impl::~PPB_Buffer_Impl() {
|
| -}
|
| -
|
| -// static
|
| -PP_Resource PPB_Buffer_Impl::Create(PP_Instance instance, uint32_t size) {
|
| - scoped_refptr<PPB_Buffer_Impl> new_resource(CreateResource(instance, size));
|
| - if (new_resource.get())
|
| - return new_resource->GetReference();
|
| - return 0;
|
| -}
|
| -
|
| -// static
|
| -scoped_refptr<PPB_Buffer_Impl> PPB_Buffer_Impl::CreateResource(
|
| - PP_Instance instance,
|
| - uint32_t size) {
|
| - scoped_refptr<PPB_Buffer_Impl> buffer(new PPB_Buffer_Impl(instance));
|
| - if (!buffer->Init(size))
|
| - return scoped_refptr<PPB_Buffer_Impl>();
|
| - return buffer;
|
| -}
|
| -
|
| -PPB_Buffer_Impl* PPB_Buffer_Impl::AsPPB_Buffer_Impl() {
|
| - return this;
|
| -}
|
| -
|
| -PPB_Buffer_API* PPB_Buffer_Impl::AsPPB_Buffer_API() {
|
| - return this;
|
| -}
|
| -
|
| -bool PPB_Buffer_Impl::Init(uint32_t size) {
|
| - PluginDelegate* plugin_delegate = ResourceHelper::GetPluginDelegate(this);
|
| - if (size == 0 || !plugin_delegate)
|
| - return false;
|
| - size_ = size;
|
| - shared_memory_.reset(plugin_delegate->CreateAnonymousSharedMemory(size));
|
| - return shared_memory_.get() != NULL;
|
| -}
|
| -
|
| -PP_Bool PPB_Buffer_Impl::Describe(uint32_t* size_in_bytes) {
|
| - *size_in_bytes = size_;
|
| - return PP_TRUE;
|
| -}
|
| -
|
| -PP_Bool PPB_Buffer_Impl::IsMapped() {
|
| - return PP_FromBool(!!shared_memory_->memory());
|
| -}
|
| -
|
| -void* PPB_Buffer_Impl::Map() {
|
| - DCHECK(size_);
|
| - DCHECK(shared_memory_.get());
|
| - if (map_count_++ == 0)
|
| - shared_memory_->Map(size_);
|
| - return shared_memory_->memory();
|
| -}
|
| -
|
| -void PPB_Buffer_Impl::Unmap() {
|
| - if (--map_count_ == 0)
|
| - shared_memory_->Unmap();
|
| -}
|
| -
|
| -int32_t PPB_Buffer_Impl::GetSharedMemory(int* shm_handle) {
|
| -#if defined(OS_POSIX)
|
| - *shm_handle = shared_memory_->handle().fd;
|
| -#elif defined(OS_WIN)
|
| - *shm_handle = reinterpret_cast<int>(
|
| - shared_memory_->handle());
|
| -#else
|
| -#error "Platform not supported."
|
| -#endif
|
| - return PP_OK;
|
| -}
|
| -
|
| -BufferAutoMapper::BufferAutoMapper(PPB_Buffer_API* api) : api_(api) {
|
| - needs_unmap_ = !PP_ToBool(api->IsMapped());
|
| - data_ = api->Map();
|
| - api->Describe(&size_);
|
| -}
|
| -
|
| -BufferAutoMapper::~BufferAutoMapper() {
|
| - if (needs_unmap_)
|
| - api_->Unmap();
|
| -}
|
| -
|
| -} // namespace ppapi
|
| -} // namespace webkit
|
|
|